To figure out what animals millions and millions of years old were like through some bones, is breathtakingly difficult, which is why it may not be surprising, that a few times, paleontologist have gotten things really wrong.

00:00 Paleontology Is Unbelievably Hard
01:00 First Dinosaur = Biblical Giant Reptile?
03:40 The Largest Spider That Never Was
07:33 When Therizinosaurus Was A Titanic Clawed Turtle
10:40 Fully Aquatic Pterosaurs
14:01 The 1 Animal That Was 3
16:22 All Arms No Body = Slender Man T. Rex?
20:00 The Animal Who Came Back To Life 66 MYA Later

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